Cultivator



mh is 1924 Y www lli. WATTERS v cUL'rIv'AToR Filed June 9. 1919 5 Sheets-Sheet l E) N n 'a INVENTOR A TTORNE YS Mama E8 1924., @A879412 D. M. WATTERS TTTTTTTT OR Filed Jun@ e, 1919 s sheets-'sheet 2 gf 4 v ATTORNEYS ATTORNEY I5 Sheets-Sheet 5 CULTIVATOH D; M. WATTERS Filed June 9 Mwah i 1924 Patented Mar. 18, 1924.

UNITED` STATES DANIEL M. WATTEBS, OF LOS ANGELES, CALIFORNIA, ASSIGNOR TO KILLEFEB MANU- FACTURING COMPANY, OF LOS ANGELES, CALIFORNIA, A.- CORPORATION OF CALI- Application med Iuneh,

To all whom it may concern:

Be it known that I, DANIEL M. WA'rrERs, citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented a. lnew and useful Cultivator, ofwhich the yfollowing is a specification.

This invention relates to cultivators and more especially to that type of cultivator having the cultivator frames arranged in paired gangs and rovided with means for changing the angu ar relation of the frames so that the disks orv other cultivator members carried by the frames may be presented parallel or at different angles to the direction of travel of the cultivator. vention is an improvement on thecultivator for which an application for ,patent was filed by myself and Charles E. Bean, 0c tober `16. 1918, Serial No. 258,480.

The frames of this present cultivator are adapted to be shifted into different angulau relations by the pull of the tractor. or other draft power and in that respect is analogous to the prior inventiony referred to above.

In cultivators of this type, there is a. tendency for the cultivator members nearer the outer ends of the front gangs to penetrate the ground to greater depth than the more central cultivators ofthe front gangs; and there is a tendency for the more central cultivator members of the rear gangs to penetrate the ground to greater depths than Y the cultivator membrs nea-rer the outer ends of said rear gangs.

One of the principal objects of this in vention is to so construct the cultivator that all of the cultivator members will penetrate the ground uniformly so that the ground will be cultivated to a given depth by each. cultivator member and there will be no tendency to buckling up or bridging of the front gang or buckling down or sagging of the rear gang.

Another object is to provide a construction of great durability.

Another object is to provide a construction of comparative great simplicity, taking into consideration the advantageous resultselfected.

Other objects and advantages will appear This inenmarca. Y

191s. semi mp. $02,639.

ing in alinement with one another for opl erati'ng over the ground without cultivating'it. ig. 2 is a plan view of the cultivator with the parts in position for cultivating the ground.

Fig. 3 is -a longitudinal section taken on the line indicated by :vl-w, Fig. 1.

Fig. 4 is an enlarged elevation analogous to Fig. 3 excepting that the innermost isks are omitted and the front portion of the draft device is broken away to contract the view. v Y

Fig. 5 is an enlarged detail partly in section on line indicated b :v5-m5, Fi 4.

There are provide front cu tivatorl frames 1 arranged in a pair to form in part gangs, and 'rear cultivator frames 2 arranged in a pair to form. in part gangs. Each frame comprises transversely extending front, rear and intermediate bars 3, 4, 5 respectively; outer end bars 6 fastened to the outer ends of the bars 3, 4 and 5; inner end bars 7 fastened to the inner ends of the Vbars 3, 4 and 5; and a plurality of longitudinally extending scraper bars 8 fastened at their ends to the bars 3, 4 and also fastened intermediate of their ends to the bar 5. The scraper bars 8-are bowed downwardly intermediate of their ends. On the bars 4, 5 and rear ends of the bars :8 may be placed rock or other suitable ballast to increase the weight so as to increase the depth of cut of the cultivator.

Bolted to the end bars 6, 7 of each frame are bearings 9. The bearingsof each frame with a series of cultivator members which, in this instance, are in the form of disks 11, and which are spaced from one another by sleeves or spools 12.v The axles 10 are square in cross section and the disks 11 and sleeves 12, are provided with uare holes 13, 14 respectively adapted to t the square portions of the axles. Thus the disks 11' cannot turn relative to the axle on which they are mounted. The spools 12 at the ends of the axles 10- are journaled in the bearings 9.

The bars 7 of the front frames are provided at their forward ends with ears 15 which are pivoted at 16 to the rear ends of bell-crank levers 17, respectively, that are pivoted to each other at 18. `The forward los ends of the'levers 17 are pivoted at19 to the rear ends of links 2O which in ftnrnl are pivoted at their forward ends at 21`to an 'eye 22 that may bein'the form of a perforated plate. v Also connected to the'forw-ard ends' of the levers 17 by the pivots 19 are flexible draft members 23 which are connected together at their forward, ends by an eye 24 that in turn is connected by a' flexible draft member 25 to an eye or grab link 26. The

eye 26 isadapted to engage ahook 27 pro-l r ears 33 on the forward ends of the end bars 6 of the front frames. The draft members 23, 25 are of such lengths that when the eye 22 is disengaged from thel hook 30 the outer ends of the front frames 3 will be swung forwardly and inwardly by the draft members 32, as in Fig. 2, when power is applied to produce a pull on the ring 29. Also when the eye 22 is engaged with the hook 30 the frames of each gangare alined with each ,Y other.

The rear ends ofthe bars 7 of the front frames are provided with ears 34 which are pivoted at 35 to draft members36. Vln this particular instance the draft members 36 are rigid and are in the form of rods, but said members may be flexible if desired. The members 36 are p'ivoted at their rear ends at 37 to ears 38 on the forward ends of the end bars 6 of the rear frames2.

The. inner bea-rings 9 of the front frames are bolted to the inner faces of the end bars 7, and the inner bearings of the rear frames 2 are bolted to the outer faces of the bars 7. Bolted to the outer faces of the front bars 7 and to the inner faces of the rear bars 7 are bearings 39 shown in detail in Fig. 5.

The front bearings 39 are connected together by a yoke 40 and the rear bearings 39 are connected together by a yoke 41. The

- connection between the yokes 40, 41 and the associated bearings isa pivotal one, the pivots being indicated at 42. Each pivot 42 asses through a bushing 43 which is slighty longer than the bearing 39 as clearly shown in Fig. 5. In this instance each of the yokes 40, 41 is formed by an upper and a. lower member which are separated from one another at their ends by a bushing 43. The pivots 42 in this particular instance are in the form of bolts each bolt being provided with nuts 44, 45.

The attaching face 46 of each bearing 39 is not parallel with the axis of the pivot l2v but is formed aslant to said axis as clear- 1 shown in Fig. 5. The face 46 of each ront bearing 39 is aslant downwardly and outwardly relative to theaxis of theassociated pivot 42 sothat'whenthe pivots 42 are vertical the inner ends of' the front frames will be depressed slightly below the level ofthe outer ends of said frames. The face 46 of eachrearbearing 39 is asia-nt. upwardly and outwardly relative to the axis of the pivots 42 so that when the pivots 42 are Vertical the inner ends of the rear frames will be at a higher level than the outer ends of said rear frames. The reason for providing the slanting faces 46 will appear hereinafter.

. The yon io is peered n r1 a as middle portion to a rigid connecting member which may be V-shaped and which, in this' particular instance, comprisesa pair of rearwardly diverging upper-members'48 and a pair of rearwardly diverging lower members 49. The rear ends of the members 48, 49 are bolted or otherwise secured at 50 to the upper` and lower members of the yoke 41. 'lhus an equal pull on the rods 36 will cause the ,rea-r gangs to travel straight ahead and a pull on only one ofsaid rods will cause the rear gangs to turn about the pivot 47.

The invention operates as follows: Assuming, for example, that a tractor or other suitable draft power is hitched to the ring 29 and is operating to pull the cultivator along-,land assuming that the eye 22 is 'engaged with the hook 30 as in Figures 1 and 3, the pull is applied to the inner ends of the front frames through the eye 28, hook 30, draft connections 25, 23 and levers 17 and the. pull is app-lied to the outerr ends of the front frames through the ring 3l and draft members 32. The pull ofthe front frames is transmitted through the draft members 36 to the outer ends of the rear frames, and ,the pull is also transmitted from the front frames through the yoke 4 0, connection 48 and yoke 41 to the innerv ends of the rear frames. When it is desired to cause the frames of each gang to assume an angular relation to each other, the draft power will be stopped and the eye 22 will be disengaged from the hook 30. rl`his will make the inner draft means including the members 17, rela-tively longer with respect to the outer` draft members 32. Then the draft power will be driven ahead thus exertingapull on the draft members 32 to swing forwardly and inwardly the outer` ends of the front frames. This movement swings the inner front corners of the front frames toward one another and this in turn spreads the forward ends of the levers 17 away from one another. K At the same time the war inner corners of the frames are swung away from one another. As the outer ends of the front fra-mes swing forwardly the distance between the hook 27 and levers 17 increases until the draft connections 23, 25 are drawn taut, whereupon pull is exerted through the hook 27, draft connections 25,k 23 and levers 17 to the inner front corners of the front frames'. The front gang now advances and the pull of the inner` ends of the front frames 'is transmitted through the yoke 40, connections 48, 49 and yoke 41 to the inner ends` of the rear frame, thus drawing torward said inner ends.

After the foregoing described movements the parts are in the positionsshown in Fig. 2 and the cultivator members 11 cut into the soil-to plow or cultivate it in a manner well understood in the art relating to cultvators of this character. When the frames are in the cultivating position shown in Fig. 2 there is a tendency for the inner ends of the front'frames to be raised to a higher level than the outer ends of said frames thus causing bridging or' the front gangs and consequently permitting the cultiva-tor members nearer the outer endsof lthe front frames to cut deeper into 'the soil than the Vcultivator members nearer the inner ends to a greater'degree than .the outer ends of the front trames the difference in the amount of rise is compensated for by the degree' of slant of the attaching faces t6 of the front bearings 39. ln consequence of this the iront framesv when the cultivating operation is being performed are substantially on a level so that the cultivator members cut or plow equal depths into the soil.

There is also a. tendency for the outer ends et the rearframes to be raised higher than the inner ends of said rear frames during the cultivating operation and this tendency is connteracted by reason of the slant of the `attaching faces 46 of the rear bearings 39. the inner ends being at a higher level than the outer ends of the rear frames when the cultivator is at rest on a level sur- :tace When.. however, the cultiva'tor is operating, the tendency of the cultivator members nearer the inner ends of the frames tocut deeper into the soil than the cultivator members nearer the outer ends of the rear frames 'is overcome and nulliied by reason of the slant ot the attaching faces 46. so that when cultivating or plowing the cultivator frames are substantially lle-vel from end to end and the cultivator members all cut into the soil to the same depth as one another; When the pivots 42 become worn or, if for any other reason it becomes desirable to change the degree of angle between the end bars 7 and the axes of the pivots 42, the bolts 51 of the bearings 39 will be loosened and shims, notshown, will be inserted between the attaching faces 46 and the bars 7 so as to increase or diminish the amount of` tilt of the pivots 42 relative to the bars 7.

`When it is desired to turn the -cultivator to o ne side or the other the draft power will be steered in either-direction, thus causing a greater amount of pull on one of the draft connections 32 than on the other so as to swing the frontgangs and rear gangs relatively about t-he pivot 47. ln making the turn the frames at one end of the cultivator approach one another and the frames at the other end of the cultivator move away from one another, but the relative angularvity of the frameset the front gangs are not altered nor is the relative angularity of the frames of the rear gangs altered to any substantial degree.

`When it is desired to return the parts to their uncultivating position, the draft power will be reversed,` thus slackening the draft connections 32, and the eye 22 will be engaged with the hook 30. Then the draft power will be driven forwardly thus pulling the inner ends of the front frames forwardly. corners of the front frames toward each other and therefore the draft connections 36 transmit the pull to the 4outer ends of the rear frames to drawsaid outer ends forwardly.

This swings the inner rear.

When the ring 31 has been drawn forwardly sudiciently to make the y draft connections 32 taut the front frames will be in endwise alinement as will also the rear frames.

ll claim:

1. A cultivator comprising a front pair of frames, a rear pair of frames, cultivator members carriedby each of the frames, a yoke pivoted at its ends to the inner ends of the front frames respectively., a second yoke pivoted at its ends to the inner ends of the rear frames respectively, means pivotally connecting the yokcs `to each other, means to change the rela-tive positions ofthe front trames, and means operative by change of relative positions of the front trames to move the outer ends of the rear trames.

2. A cultivatorcomprising a front pair ci frames, a rear pairzof frames, cultivator members carried by eachof the frames, a yoke pivoted at its ends to the inner ends of the front frames respectively. a second yoke pivoted at its ends to the inner ends of the rear frames respectively, means pivotally connecting the yokes to each other, a draft device, and means operative by pulling of the draft ldevice to shift the outer ica ends of, the frames of the front pair and the louter ends ofthe frames of the rear pair relatively in opposite directions.

3. A cultivator comprising a front pair of frames, a rear air of frames, cultivator members carried y each of the frames, means to permanently hold the inner ends of each pair of frames in definite spaced relation to each other, means to change the relative positions of the front frames, and means operative by change of relative positions of the front frames to move the outer ends of the rear frames.

4. A cultivator comprising a iront pair of frames, a rear pair of frames. cultivator members carried by each of the frames, means to hold the inner ends of the front frames and inner ends of the rear frames against relative-bodily movement, a draft device,/ and means operative by pulling of the draft device to shift the outer ends of the frames ofl the front pair andV the outer ends of the frames of the rear pair relatively in opposite directions.

5. A cultivator comprising a vfront pair of frames, ka rear pair of frames, cultivator members carried by each of the Jframes. draft means connected with the front frames for pulling them oven the fground, said means includinga device for e'ecting a change in the relative positions of the front frames by power applied to the draft means.`

a yoke pivoted at its ends to the rear frames, means connecting the yoke to the front frames, and draft connections extending from the rear inner corners oi the front frames to the front outer corners of the rear frames.

6. A cultivator comprising members carried by each of the trames, said rear frames having front bars respectively extending along in iront of the cultivator members carried by the rear frames. means to change the relative 'positions of the front frames` a yoke pivoted at its rends to the rear frames, means connecting the yoke to the iront frames, and draft connections extending from the rear inner corners of the front frames and attached to the said front bars adjacent to the front outer corners of the rear frames. y

7. A cult-ivator comprising a front pair o -frames, a rear pair of frames, cultivator members carried by each of the frames, means to change the relative positions of the front frames, a yoke pivoted at its ends to the inner -ends of the front trames, a second yoke pivoted at its ends to the inner ends of the rear frames, means pivotally connecting y the yokes to each other, and draft connections-extending from the rear inner corners of the front frames to the front outer corners -of the rear frames.

8. A cultivator comprising a front pair a frontpair, of frames, a rear pair of frames, cultlvator of frames, a rear `air of frames, cultivator members carried the front frames, a yoke pivoted at its ends to the front frames, means connecting Athe yoke to the rear frames, and draft conmeans to change the relative positions of' the front frames, a yoke pivoted at its ends to the inner ends of the front frames, a

second yoke pivoted at its ends to the inner ends of the rear frames, a V-shaped con-v nection projecting from one yof the yokes and pivoted to the other yoke, and-means operative by change of relative positions of the front frames to move the outer ends of the rear frames. Y

Q0. A cultivator having a pair of gang irames, `cultivator members thereon, means connecting said frames, bearings supported from the frames, and pivotal connectionsbetween said connecting means and bearings, said bearings being tilted so that the frames swing on the pivots in planes angularly disposed to a horizontal transverse plane of the cultivator- 11. A cultivator comprising a front' pain of frames, a rear pair of frames, cultivator members carried` by each of the frames, a yoke' pivoted at its ends to the inner ends oi the iront' frames, a second yoke pivoted at its ends to the inner ends of the'rear frames, and means pivotally connecting the yokes to each other. 7 y

12. A cultivator comprising a front pair of frames, a rear pair of frames, cult-ivator members carried by each of the frames, a

y each of the frames, means to change the relative positions` of yoke pivoted ati-ts ends to the inner .ends

or the front frames, a second yoke pivoted at its ends to the inner ends of the rear frames, a rigid member extending from oneof the yokes and pivoted to the otherl yoke, and rigid draft connections pivoted at one end to the inner rear corners oi ythe iront frames and lpivoted at their other ends to the outer front corners of the rear trames.

13. A cultivator comprising a pair of frames, cultivator members carried by the frames, means to draw the frames with the cultivator members aslant to the longitu dinal axis of the cultivator, the slant of the cultivator members of one frame being opposed to the slantof the cultivator members of the other frame, bearings at the inner 'ends of the frames, a yoke, and pivots at the opposite ends of the yoke carried by the bearings respectively, the axes of the bearings being aslant relatlve to the aires of the pivots, whereby the gangs are held nee'nera plaines inclined to a horizontal plane, and the yoke engaging tbe pivots above and belovv the bearings.

le. A cultivator comprising 'a pair et iranien,l shafts carried by theirames, disks mounted on the shafts, means to draw tbe irernes with the disks aslant to tlielongitndinel anis of tbe cultivatoi, the slant of tbe disks of one trame being opposed to the slant et the disks or the other tra-ine., bearings at tbe inner ends of the trames, a yolre,4 and pivots at the opposite ends of tbe volte carried by the bearings respectively, tbe ones of the bearings being aslant relative to the ones or the pivots and the yoke engaging the pivots above and below the bearin s.,

l5. cnltivator bovin a forward pair of cultivateur frames, n raft book, outer draft members connecting the same to the outer ends of the iframes, inner droit ineens connecting the heele to the inner ends of tbe orvverd frames, er peir of rear cultivater trames, capable of holding the uon-y M ward frames disposed in alignment with each other, said draft means constructed to enable the inner` draft members to be made relatively longer., with respect to the outer draft members to throw the forward rsnnes into an anguler relation, links connecting the inner ends' and rear sides of the or' Ward frames with the forward sides and outer ends of the rear fra-mes, and means respectively connecting the inner ends et the forward frames and the inner ends oli the rear frames, and acting to `nold the 'frames of each pair permanently in denite s aced relation to each other while permitting pivotal movement of said fremes.

Signed et Los Angeles, California this 24th day ot May 1919.

DANKEL ll/ilfI WTTERS.

Witnesses: Geenen l linens, L. Bienne Wmvnn., J 

